baber/WOPTO huggingface dataset:
Patent JP-2003344897-A (JP)
Title: Imaging optical system
Inventor: MIHARA SHINICHI
IPC: H04N5/335
Filed: 2002-05-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide an imaging system capable of suppressing a difference between a visual observation and an image pickup result due to polarization to the minimum even in the case of using liquid crystal for a shutter, and also, capable of reducing a difference between a finder image and the image pickup result in a single reflex finder camera using a half mirror or a half prism (half transmission mirror) for splitting a finder optical path, and capable of suppressing the light loss due to the polarization to the minimum.   <P>SOLUTION: The system is provided with an image forming optical system 1 for forming an object image, an imaging device 5 arranged near the formed image, and a liquid crystal element 3 arranged in a certain position on the optical path between the object and the imaging device 5. The system is provided with an optical element 2 arranged closer to the object than the liquid crystal element 3. The optical element 2 is constituted of a medium having a light transmittance of ≥20% with reference to a wavelength of 500 nm and having a refractive index which changes with reference to the light waves whose vibrating direction cross each other (having anisotropic refractive index).  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003340982-A (JP)
Title: Laminated body
Inventor: KINTO KEIICHI
IPC: F03G7/00
Filed: 2002-05-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a laminated body having a bimorph structure usable as an actuator, which has improved displacement amount performance.   <P>SOLUTION: The laminated body to be employed has two resin layers. The first resin layer has a conductive resin layer as a basic body resin, and can contract and expand by incorporating and discharging anions. The second resin layer has a conductive resin layer as a basic body resin, and can contract and expand by receiving and discharging cations.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004007120-A (JP)
Title: Connection control method in wireless lan network system
Inventor: ASO TAKAHIRO
IPC: H04L12/28
Filed: 2002-05-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a connection control method for a wireless LAN network system, which is capable of maintaining the connection with an access point by automatically switching a profile.  <P>SOLUTION: According to this connection control method for a wireless LAN network system, a plurality of profiles including SSIDs (service set IDs) and WEP (wired equivalent privacy) keys which are IDs for allowing a client side to participate in the wireless LAN network are designated, and, when the access point fails, the profile is switched to the profile of a next access point to be connected to establish connection.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004012642-A (JP)
Title: Tunable filter, method of manufacturing the same, and optical switching apparatus using the same
Inventor: SATO AKINOBU
IPC: G02B6/34
Filed: 2002-06-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a tunable filter which can decrease crosstalks between adjacent channels even if the degree of wavelength multiplexing is increased, and which can rapidly change the wavelength to be used for an apparatus, and a method for manufacturing the same, and an optical switching apparatus using the same.  <P>SOLUTION: The tunable filter of a Fabry-Perot etalon structure has two or more cavity gaps 114 to 116 and the respective spaces between the cavity gaps are adjusted by either of electromagnetic driving or piezo driving. In such a case, the cavity gaps can be formed by previously forming sacrificial layers in these portions and forming a plurality of multilayered optical films 100 to 103, then removing the sacrificial layers by etching. Substrates 107 and 109 are bonded together across columns 108.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004010810-A (JP)
Title: One-pack epoxy resin composition and cured material thereof
Inventor: OZAWA HIDEO
IPC: H01L23/31
Filed: 2002-06-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a non-solvent type and one-pack epoxy resin composition being able to preferably form a sealing filler in a gap between a chip part and a wiring circuit board, by applying or dropping the composition on the surface of the chip part or the wiring circuit board in advance, arranging them and then jointing them under heating with a bump on a flipchip mounting, and the sealing filler comprising the cured material obtained by heating and curing the composition.  <P>SOLUTION: The one-pack epoxy resin composition with a viscosity over 250 poise at 25°C is prepared by mixing an epoxy resin and an acid anhydride-type curing agent being an imide-type oligomer having an imide unit represented by formula (1) in image 1 and an acid anhydride group at the chain terminal. In the formula (1), A is a tetracarboxylic acid residue and B is a diaminopolysiloxane residue.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004012982-A (JP)
Title: Image forming apparatus
Inventor: SAKAI TAKAAKI
IPC: G03G15/00
Filed: 2002-06-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image forming apparatus which speeds up double-sided printing.  <P>SOLUTION: The image forming apparatus has a circulation double-sided printing function in which printing is carried out first on only the surfaces of a maximum number of recording sheets which the apparatus can circulate and then printing is sequentially carried out on the backs of only the recording sheets having images on their surfaces. The apparatus also has a back print judgment part which decides the presence or absence of print data to be printed on the back of the subsequent one of the maximum number of the recording sheets. The apparatus further has a one-sided printing control part which, when the back print decision part decides that print data to be printed is absent on the back, does not carry out double-sided printing by the circulation double-sided printing function but one-sided printing only on the surface of the subsequent one of the maximum number of recording sheets, and then ejects the sheet.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004011861-A (JP)
Title: Vacuum heat insulating material, refrigerator, heat/cold insulating vessel, and electric kettle
Inventor: KURIYAMA MAKOTO
IPC: F25D23/06
Filed: 2002-06-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a vacuum heat insulating material having a through hole and a cutout part and capable of ensuring high quality at a low cost.  <P>SOLUTION: This vacuum heat insulating material 1 having the through hole 1a and the cutout part 1b is composed of a platelike core material 2 having two opposing planes formed out of an inorganic fiber aggregate and an outer covering material 3 made of a laminated film having gas barrier property. Since a through hole and a cutout part are provided by matching them with the through hole 1a and the cutout part 1b in the core material 2 and a tapered machined part 2a is provided over 60 to 95% with respect to the thickness of the core material 2 at an angle of 20 to 45 degrees with respect to the plane in a ridge line part of the through hole or the cutout part of the core material 2, it is possible to ensure excellent productivity and advantage in cost and provide the vacuum heat insulating material having excellent quality.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003328846-A (JP)
Title: Fuel injection amount detector in overflow type fuel injection pump device for diesel engine
Inventor: OSHIE NAOMASA
IPC: G01F11/06
Filed: 2002-05-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fuel injection amount detector with a simple structure, capable of easily miniaturizing, being non-contact type causing no abrasion, being easily adaptable to a place under severe temperature conditions, having little fluctuation of an output by external magnetism, and capable of being manufactured easily.  <P>SOLUTION: A coil (1) is disposed so that the detection of the fuel injection amount is captured by a change in an overlap part of a conductor (2) or a magnetic body or a non-magnetic conductor. Then, a pulsed voltage is applied thereto to charge or discharge a condenser (4), and a time needed for the voltage at the time of discharge to exceed the threshold of a comparator (5) is converted into a voltage.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004019730-A (JP)
Title: Controller for independent engine having clutch
Inventor: HORINOUCHI YOSHIKAZU
IPC: F16D48/02
Filed: 2002-06-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a controller for an independent engine having a clutch that prevents the clutch from having a mechanical trouble by automatically disconnecting and connecting the clutch and smoothly operates operating equipment even in the independent engine having a clutch where the clutch is retained in a contact state in a drive stop.  <P>SOLUTION: The controller 5 for the independent engine 21 having a clutch is connected to the working equipment via the clutch 21a and retains the clutch in a drive stop is composed so that the controller 5 performs the disconnection/connection control of the clutch 21a based on the detection result of a speed detection apparatus 55 for detecting an engine speed in the independent engine 21 having a clutch. The clutch 21a is disconnected when the drive of the independent engine 21 having a clutch is stopped by the detection of the speed detection apparatus 55. Conversely, the clutch 21a is connected when the independent engine 21 having a clutch reaches a specific speed by the detection of the speed detection apparatus 55.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004017198-A (JP)
Title: Device, method and program for preparing part program
Inventor: MICHIWAKI HIROKAZU
IPC: G05B19/4093
Filed: 2002-06-14
Abstract: <P>PROBLEM TO BE SOLVED: To prepare a part program including data of a transfer route of a measuring probe which is used in CNC type surface shape measuring device, efficiently and at low cost.  <P>SOLUTION: An article to be measured 2 is measured in accordance with the part program PP1 stored in a computer 30 by an arm type multi-joint coordinate measuring device 10. A transfer route of a ball probe 1 for measuring the article to be measured 2 with a CNC type three dimensional coordinate measuring device 20 is calculated based on the measuring result. The part program PP2 including the operation results is prepared by the computer 30. The prepared part program PP2 is transmitted to a computer 40 and automatic measurement by the CNC type three dimensional coordinate measuring device 20 is carried out.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003236656-A (JP)
Title: Soldering device and soldering method for collimator
Inventor: KO BENJUN
IPC: B23K3/00
Filed: 2002-06-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a soldering device for collimator, which can enhance the reliability of a product and shorten the manufacturing time.  <P>SOLUTION: This soldering device comprises a housing receiving unit for receiving a housing, a housing feed unit having a housing chucking unit for chucking the housing 20 received by the housing receiving unit and a housing moving unit for moving the housing chucking unit to a predetermined soldering position, a plurality of collimator holding units which have a holding unit to respectively hold a plurality of collimators 10 and 10', are disposed in an approaching/retracting manner to/from the soldering position, and respectively insert the plurality of collimators in the housings moved to the soldering position, and a soldering unit which is disposed adjacent to the soldering position, and solders the plurality of collimators inserted in the housings via through-holes in the housings 20a and 20b within the housings.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004019366-A (JP)
Title: Lightweight block for construction, and block material
Inventor: YOSHIDA TATESHI
IPC: E02D29/02
Filed: 2002-06-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a lightweight block for construction hardly receiving damage by external force, a deterioration caused by chemicals and other harmful effects from the imposed situation before use.  <P>SOLUTION: This block for construction is formed to be lightweight using a plastic material, paper, or the like. The block has a plurality of block bodies 31 formed of at least one block material or a combination of two or more block materials. The surface of the block body 31 is formed thick at required points which are provided with a plurality of connection parts 14 for the mutual connection of the blocks. The outer surface of the block body 31 is covered with an outer shell 33 formed of a hard material with little shrinkage deformation.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004027263-A (JP)
Title: Hot dip galvanized steel sheet having excellent surface appearance and method of producing the same
Inventor: TAKAHASHI KATSU
IPC: C23C2/26
Filed: 2002-06-24
Abstract: <P>PROBLEM TO BE SOLVED: To impart uniform surface appearance and excellent continuous spot weldability to a GI steel sheet so as to be applied to automobile use or the like.  <P>SOLUTION: The following characteristics are imparted to the GI steel sheet: center line average roughness Ra of the surface of galvanizing is 0.5 to 1.5 μm: the average spacing of crests, Sm is 40 to 100 μm: preferably, the content of Al in an Fe-Al intermetallic compound is 0.01 to 0.20 gm<SP>-2</SP>: and Fe% in the plating film is 0.5 to 3.0%. In its production, after the galvanizing, temper rolling is performed with rolling rolls having a surface roughness of 1.0 to 5.0 μm by Ra and 40 to 100 μm by Sm.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004031045-A (JP)
Title: Manufacturing method of cold-cathode element, and insulating board
Inventor: FUKUNAGA YASUKAZU
IPC: H01J1/304
Filed: 2002-06-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a field emission type cold-cathode element excellent in uniformity of field emission, having high field emission efficiency and easy to highly integrate.  <P>SOLUTION: When a field emission element using a fibrous substance such as a carbon nanotube is screen-printed, a screen mask in accordance with a pixel pitch is used. In screen printing, it is screen-printed by accurately matching a mesh position to the field emission element position. This method has an advantageous point by which the excellent field emission element can be obtained by a simple method by using an inexpensive device.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004029327-A (JP)
Title: Display device and method for driving display element
Inventor: YAMAMOTO NAOTO
IPC: G09G3/20
Filed: 2002-06-25
Abstract: <P>PROBLEM TO BE SOLVED: To attain refined and smooth gray scale expression like a photographic image and to shorten processing time required for display with a simple circuit construction by using a display element, represented by an electrochromic display element, which has no viewing angle dependence, of which the display density corresponds to the amount of cumulative charge in a display region and which maintains the display density even after charge supply is stopped.  <P>SOLUTION: The display device is provided with a power source to supply a constant current to the display element, a switching means to control the charge supply from the power source, and a controlling means to control the ON period of the switching means with a pulse width. Furthermore, by adding a transistor having a capacitor connected on the drain side thereof as a controlling means, drive of the next line is started without waiting the completion of charge accumulation for one line.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004028475-A (JP)
Title: Corrosion suppressing method of boiler device
Inventor: NAKAJIMA JUNICHI
IPC: F22B37/00
Filed: 2002-06-27
Abstract: <P>PROBLEM TO BE SOLVED: To correct the heating amount of feed water in suppressing corrosion occurring in a boiler device.  <P>SOLUTION: This corrosion suppressing method used in the boiler device 1 comprises a boiler 2 for heating feedwater to generate steam, a water feed section 3 for feeding the feedwater to the boiler 2, and a steam supply section 5 for supplying the steam generated by the boiler 2 to a load apparatus 4. The corrosion suppressing method comprises a measuring process of measuring dissolved oxygen concentration of the feedwater of the water feed section 3, and a heating process of heating the feedwater of the water feed section 3 based on the measured result of the measuring process.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004005324-A (JP)
Title: Transport equipment
Inventor: MATSUMOTO MASAAKI
IPC: G05D1/02
Filed: 2002-06-28
Abstract: <P>PROBLEM TO BE SOLVED: To facilitate setting for passing route of a transport equipment, and to enable self-propelling on the passing route.  <P>SOLUTION: This transport equipment has a traveling means 4 for the transport equipment, a control means 3 for controlling driving condition of the traveling means, a measuring means 1 for measuring traveling rate of the transport equipment, and a transport equipment traveling rate recording means 2. In the first setting condition, traveling rate is recorded by the recording means, and in the second setting condition, drive of the traveling means is controlled in response to the traveling rate data recorded by the recording means.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004033912-A (JP)
Title: Hydrothermal reaction apparatus
Inventor: KAKO HIRONORI
IPC: B01J3/00
Filed: 2002-07-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a hydrothermal reaction apparatus which sufficiently mixes substances to be reacted with an oxidizing agent and disperses the mixture uniformly in a reaction vessel and further efficiently starts, continues, and stops hydrothermal reaction even when the amount of substances to be reacted is varied.  <P>SOLUTION: The substances to be reacted containing a substance 13 to be treated, an auxiliary fuel 14, water 15 or the like are fed to supply devices 2, 3 and 4 from a supply path 11 for the substances to be reacted through branched supply paths L1, L2 and L3 for the substance to be reacted and the oxidizing agent is fed to the supply devices 2, 3 and 4 from a supply path 12 for the oxidizing agent through branched supply paths L4, L5 and L6 for the oxidizing agent. When the mixture of the substances to be reacted and oxidizing agent is fed to the reaction vessel 1 and hydrothermal reaction is carried out in a supercritical or subcritical state of water, valves V1-V6 are opened or closed to maintain difference in pressure between a pressure sensor D1 and a pressure sensor D2 in a specified range, and either one of the supply devices 2, 3 and 4 having respective discharging port areas corresponding to the amounts of the substances to be reacted is selected.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004037029-A (JP)
Title: Method of manufacturing vessel formed into vacuum inside thereof, and device for manufacturing vessel formed into vacuum inside thereof
Inventor: SATO HIROSHI
IPC: F25D23/06
Filed: 2002-07-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a technology for easily manufacturing a vacuum vessel having a high degree of vacuum.  <P>SOLUTION: Inside of a room is formed into the absolute zero degree, and a sealed vessel is assembled inside of the room with a following method containing processes a-c. A group structuring a sealed vessel is put into a room sealable by using an arm-like working machine, and the room is sealed (a). Inside of the room is cooled to a temperature close to the absolute zero degree by using a cooler (b). The group of parts structuring the sealed vessel is assembled to manufacture the sealed vessel by using the arm-like working machine in the cooled room (c).  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004039577-A (JP)
Title: Thin battery, battery pack, compound battery pack, and vehicle
Inventor: WATANABE KYOICHI
IPC: H01M10/0585
Filed: 2002-07-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a flat battery having a structure strong against an imposed external force.  <P>SOLUTION: The flat battery having a terminal led out from an end edge of an outer periphery is constituted of two sheets of positive electrode plates 101 coated with a positive electrode active material, five separators 102 of micro-porous films, two sheets of negative electrode plates 103 coated with a negative electrode active material, positive electrode terminals 104 connected to each positive electrode plate 101, negative electrode terminals 105 connected to each negative electrode plate, an electrolyte not illustrated, and an upper part cell outer packaging member 106 and a lower part cell outer packaging member 107 to seal these above. The cell outer packaging members 106, 107 are constituted of a first resin layer located in the innermost layer, a second resin layer located in the outermost layer, and a metal layer pinched by those two layers and laminated, the first resin layer having a smaller Young's modulus than the second resin layer.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003069434-A (JP)
Title: Signal receiving apparatus and method adapted for use with time-variant channel
Inventor: HWANG CHAN-SOO
IPC: H04L25/02
Filed: 2002-07-11
Abstract: PROBLEM TO BE SOLVED: To provide an apparatus and method adapted for use with a time- variant channel. SOLUTION: A first channel characteristic estimator included in the signal receiving apparatus for receiving a signal transmitted through a channel having a time-varying characteristics and for restoring original user information included in the received signal, estimates a signal representing the delay characteristic of the channel from the restored transmission signal and the received signal, a first channel characteristic predictor decimates the estimated signal applied thereto, predicts the characteristic values of the channel, interpolates the predicted channel characteristic values, outputs the interpolated result as a first predictive characteristic signal, and a first receiver generates a decision value from the first predictive characteristic signal and the received signal, restores the transmitted signal using the estimated decision value,  and outputs a restored transmitted signal, which is fed back to the first channel characteristic estimator so that the original user information is restored from the decision value.
Patent JP-2004045709-A (JP)
Title: Coupled optical waveguide
Inventor: YAMADA HIROHITO
IPC: G02B6/12
Filed: 2002-07-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a coupled optical waveguide of which entire size can be reduced even when many optical guides are integrated on a substrate.  <P>SOLUTION: The coupled optical waveguide is provided with the substrate 11, where a groove 12 forming a line-and-space pattern is formed on the surface, and a plurality of grid modulation photonic crystal optical waveguides 10(1, 1) and 10(2, 1) prepared by a self cloning technique of alternately laminating a dielectric 13 of a low refractive index and a dielectric 14 of a high refractive index on the substrate 11 respectively. Then, a plurality of the grid modulation photonic crystal optical waveguides are arranged parallelly to each other on a surface parallel to the surface of the substrate 11. Also, the adjacent two of a plurality of the grid modulation photonic crystal optical waveguides are arranged closely so as to couple the electric fields of light between them.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003246220-A (JP)
Title: Frame for top of small-sized truck luggage carrier
Inventor: SATO TSUNEO
IPC: B60J7/10
Filed: 2002-06-10
Abstract: <P>PROBLEM TO BE SOLVED: To allow a long article to be carried by reducing a frame in size and making a structure simply removable since the top and frame of a conventional small-sized truck are formed in a large scale and cannot be simply removed and hence the long article such as a ladder or a pipe cannot be carried.  <P>SOLUTION: The truck comprises a front trestle 1 used by engaging with a front guard frame or a gateway of the truck, and rear support bars 5 placed on right and left gates at the rear of a luggage carrier. The truck further comprises a top holder 4 placed on the bars 5 and the top 9 covering the holder 4.  <P>COPYRIGHT: (C)2003,JPO